https://bugs.openldap.org/show_bug.cgi?id=9936
Issue ID: 9936
Summary: slapd attempting free on address which was not
malloced
Product: OpenLDAP
Version: 2.6.3
Hardware: x86_64
OS: Linux
Status: UNCONFIRMED
Keywords: needs_review
Severity: normal
Priority: ---
Component: slapd
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
I get invalid free running this on the latest openldap from git, built with
CFLAGS="-fsanitize=address" using clang 15.
Seems this is similar to https://bugs.openldap.org/show_bug.cgi?id=9912.
./servers/slapd/slapd -T c -s1 -s1
Stopped reason: SIGABRT
__GI_raise (sig=sig@entry=0x6) at ../sysdeps/unix/sysv/linux/raise.c:50
50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
gdb-peda$ bt
#0 __GI_raise (sig=sig@entry=0x6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1 0x00007ffff78ca859 in __GI_abort () at abort.c:79
#2 0x00005555556eb04f in __sanitizer::Abort ()
at
/home/juhee/project/foxfuzz/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp:143
#3 0x00005555556e8aac in __sanitizer::Die ()
at
/home/juhee/project/foxfuzz/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_termination.cpp:58
#4 0x00005555556c5dda in __asan::ScopedInErrorReport::~ScopedInErrorReport
(this=0x7fffffffbe7e, __in_chrg=<optimized out>)
at
/home/juhee/project/foxfuzz/llvm-project/compiler-rt/lib/asan/asan_report.cpp:192
#5 0x00005555556c72b8 in __asan::ReportFreeNotMalloced (addr=<optimized out>,
free_stack=0x7fffffffca90)
at
/home/juhee/project/foxfuzz/llvm-project/compiler-rt/lib/asan/asan_report.cpp:199
#6 0x00005555556c02ab in __interceptor_free (ptr=0x7fffffffe359)
at
/home/juhee/project/foxfuzz/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:53
#7 0x0000555555d3efe2 in ber_memfree_x ()
#8 0x0000555555847d33 in ch_free ()
#9 0x0000555555a31178 in slap_tool_init ()
#10 0x0000555555a2e54d in slapcat ()
#11 0x000055555570901f in main ()
#12 0x00007ffff78cc083 in __libc_start_main (main=0x555555706ef0 <main>,
argc=0x5, argv=0x7fffffffdfc8,
init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>,
stack_end=0x7fffffffdfb8)
at ../csu/libc-start.c:308
#13 0x000055555561011e in _start ()
at
/home/juhee/project/foxfuzz/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_internal_defs.h:397
gdb-peda$
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